Question: What is the Tungsten's has effect and location of discovery?
Paraphrase: Explain the Tungsten's has effect and state its location of discovery.
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q743 wdt:P1542 ?ans_1 . wd:Q743 wdt:P189 ?ans_2 }
Answer: tungsten exposure, Spain